Troubleshooting & Fixes
Step-by-step fixes for common PC problems, from blue screens and overheating to slow performance, Wi-Fi drops and computers that will not start.
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How to Fix a Mouse That’s Not Working
Mouse not working or cursor frozen? Fix wired and wireless mice by testing the USB port, replacing batteries, reinstalling the…
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How to Fix a Hard Drive Not Detected
Hard drive not detected in BIOS or Windows? Fix a missing HDD by checking SATA cables and power, the BIOS,…
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How to Fix No Sound on a Computer
Fix no sound on a computer by selecting the correct playback device, checking the Volume Mixer, verifying the cable and…
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How to Fix a Webcam That’s Not Working
Webcam not working in Windows or Zoom? Fix it by enabling camera access, granting per-app permission, selecting the right camera,…
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How to Fix USB Device Not Recognized
USB device not recognized in Windows? Fix it by trying another port, reinstalling USB drivers, disabling USB selective suspend, and…
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How to Fix a Monitor Showing No Signal
Fix a monitor showing No Signal by selecting the correct input source, plugging into the graphics card ports, swapping the…
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How to Troubleshoot a Motherboard With No Power
Motherboard getting no power? Diagnose a dead board by testing the PSU, checking standoffs and front-panel wiring, clearing CMOS, and…
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How to Fix a PC Where Fans Spin But It Won’t Boot
PC fans spin but it won't boot or POST? Fix a no-POST system by reseating RAM and GPU, clearing CMOS,…
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How to Fix Screen Flickering
Fix screen flickering by running the Task Manager test, setting the correct refresh rate, clean-installing the GPU driver with DDU,…
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How to Fix a Second Monitor Not Detected
Fix a second monitor not detected by pressing Win+P and choosing Extend, forcing Detect in Display settings, swapping the cable,…
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How to Fix Wi-Fi That Keeps Disconnecting
Fix Wi-Fi that keeps disconnecting on Windows by disabling adapter power management, updating the driver, reducing interference, changing the channel,…
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How to Fix Ethernet Not Working
Fix Ethernet not working on Windows by checking the cable and link lights, swapping the port, enabling and reinstalling the…
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How to Fix No Internet Connection
Fix no internet connection on Windows by restarting the router, running the Network troubleshooter, renewing the IP address, flushing DNS,…
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How to Fix Windows Update Errors
Fix Windows Update errors by reading the error code, running the troubleshooter, clearing the SoftwareDistribution folder, running SFC and DISM,…
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How to Diagnose and Fix an Overheating PC
PC overheating and shutting down? Diagnose the cause and fix high CPU and GPU temperatures with dust cleaning, repasting, airflow,…
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How to Fix GPU Artifacts and Graphical Glitches
GPU artifacts, screen tearing shapes, or color glitches? Fix graphical artifacts from overheating, bad drivers, overclocks, and failing VRAM.
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How to Repair Corrupt System Files with SFC and DISM
Repair corrupt Windows system files by running DISM CheckHealth, ScanHealth, and RestoreHealth, then sfc /scannow, reading CBS.log, and using Recovery…
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How to Fix a PC That Won’t Shut Down
Fix a PC that will not shut down by disabling Fast Startup, ending blocking apps, resetting the power plan with…
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How to Fix the Windows Taskbar Not Working
Fix a Windows taskbar that is not working by restarting Windows Explorer, re-registering the taskbar with PowerShell, running SFC and…
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How to Fix RAM Not Being Detected
RAM not detected or showing less than installed? Fix it by reseating modules, checking slots, updating BIOS, and confirming hardware-reserved…
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How to Fix an SSD Not Showing Up
SSD not showing up in Windows or BIOS? Fix a missing SSD by initializing it in Disk Management, checking connections,…
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Computer Troubleshooting Guide: Fix Common PC Problems
A complete computer troubleshooting guide covering boot, performance, blue screen, hardware, display, software, and network problems, with links to 45…
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